| Quiz | Basic probability |
|---|---|
| Name | |
| Result | FAILED |
| Score | 20 / 27 (74.1%) |
| Passing score | 21.6 |
| Quiz took | 23 min 10 sec |
| Quiz finished at | 2025-02-09 17:54:12 |
A bag contains 8 red marbles, 7 blue marbles and 5 green marbles. What is the probability of selecting a red marble, at random?
The probability of Ella scoring a penalty is 0.6. Ella takes 30 penalties. Estimate the number of penalties that Ella scores.
There are red, yellow, white, blue, green and pink sweets in a packet. Use the table to calculate the probability of selecting a PINK sweet at random.
What is the probability landing on a B, on the fair spinner, shown in the diagram?
What is the probability of rolling an odd number, on a fair standard die?
A bag contains red, blue, green and yellow counters. There are three times as many green counters as blue counters. What is the probability of selecting a green counter? Hint: Use the table in the diagram.
240 raffle tickets are sold, where this is only one prize. Arran purchased 30 tickets. What is the probability of Arran NOT WINNING the prize?
What is the probability landing on a THREE, on the fair spinner, shown in the diagram?
What is the probability of scoring a 4 on a fair, standard die?
What is the probability of scoring less than 3 on a fair, standard die?
Mr James has several highlighters in his desk drawer. The table shows how many highlighters of each colour there are in the drawer. Mr James selects a highlighter at random. Calculate the probability that Mr James selects a green highlighter.
What is the probability landing on a ONE, on the fair spinner, shown in the diagram?
What is the probability landing on a number LESS THAN 10, on the fair spinner, shown in the diagram?
What is the probability landing on a number MORE THAN 3, on the fair spinner, shown in the diagram?
What is the probability of rolling a prime number, on a fair standard die?
A bag contains 8 red marbles, 7 blue marbles and 5 green marbles. What is the probability of selecting a blue marble, at random?
What is the probability landing on C, on the fair spinner, shown in the diagram?
What is the probability landing on an ODD NUMBER, on the fair spinner, shown in the diagram?
A bag contains 8 red marbles, 7 blue marbles and 5 green marbles. What is the probability of selecting a green marble, at random?
William is competing in a long-jump competition. The probability of William jumping 6 metres or more is 0.81. What is the probability of William jumping less than 6 metres?
The probability of a sunflower seed germinating is 0.8. Greg plants 200 seeds. Estimate the number of seeds that will germinate.
What is the probability of scoring higher than a six on a fair, standard die?
The probability of Elliot scoring a penalty is 78%. What is the probability of Elliot not scoring a penalty?
The probability of Fred scoring a penalty is 0.7. Greg takes 210 penalties. Estimate the number of penalties that Greg misses.
A cookie jar contains: 20 chocolate chip cookies, 15 white chocolate cookies, 15 plain cookies, 10 oatmeal raisin cookies, 10 peanut butter cookies and 5 double chocolate cookies. Samuel only likes plain cookies. Samuel selects a cookie at random. What is the probability that Samuel is disappointed with the cookie he gets?
Mr James has several highlighters in his desk drawer. The table shows how many highlighters of each colour there are in the drawer. Mr James selects a highlighter at random. Calculate the probability that Mr James does not select a pink highlighter.
A cookie jar contains: 20 chocolate chip cookies, 15 white chocolate cookies, 15 plain cookies, 10 oatmeal raisin cookies, 10 peanut butter cookies and 5 double chocolate cookies. Emily selects a cookie at random. What is the probability that the cookie contains some type of chocolate?